steel sleeper meaning in English

钢轨枕
钢枕木

Steel sleepers - dimensions , static values , steel types
钢轨枕.尺寸静态值钢类型
Railway applications - track - performance requirements for fastening systems - fastening systems for steel sleepers
铁路设备.轨道.紧固件系统的性能要求.钢轨枕的紧固件系统
Railway applications - track - performance requirements for fastening systems - part 4 : fastening systems for steel sleepers
铁路设备.轨道.紧固系统的性能要求.第4部分:钢轨枕的紧固系统
Railway applications - track ; performance requirements for fastening systems - part 4 : fastening systems for steel sleepers ; german version en 13481 - 4 : 2002
铁路设施.轨道.紧固系统的性能要求.第4部分:钢轨枕用